Glass jar. Hermetic lid in 18/10 stainless steel with relief decoration.Code:MW21Capacity (qt):1 qt 19 ½ oz / 1 qt 2 oz / 17 ¾ oz / 26 ½ ozDiameter (inch):4¼″Height (inch):3¾″ / 4¾″ / 6¼″ / 8½″